29 #include <wfmath/point.h> 30 #include <wfmath/intersect_decls.h> 34 template<
int dim>
class Ball;
37 template<
int dim,
template<
class,
class>
class container>
40 template<
int dim,
template<
class,
class>
class container>
44 std::ostream& operator<<(std::ostream& os, const Ball<dim>& m);
46 std::istream& operator>>(std::istream& is,
Ball<dim>& m);
64 Ball() : m_center{}, m_radius(0) {}
67 : m_center(center), m_radius(radius) {
if (radius < 0) m_center.setValid(
false); }
75 friend std::ostream& operator<< <dim>(std::ostream& os,
const Ball& b);
76 friend std::istream&
operator>> <dim>(std::istream& is,
Ball& b);
83 Ball& operator=(
const Ball& b) =
default;
87 bool operator==(
const Ball& b)
const {
return isEqualTo(b);}
88 bool operator!=(
const Ball& b)
const {
return !isEqualTo(b);}
90 bool isValid()
const {
return m_center.isValid();}
94 size_t numCorners()
const {
return 0;}
99 Point<dim> getCorner(
size_t)
const {
return m_center;}
100 Point<dim> getCenter()
const {
return m_center;}
115 Ball& moveCenterTo(
const Point<dim>& p) {m_center = p;
return *
this;}
120 {m_center.rotate(m, p);
return *
this;}
130 Ball boundingSphere()
const {
return *
this;}
131 Ball boundingSphereSloppy()
const {
return *
this;}
135 {
return Ball(m_center.toParentCoords(origin, rotation), m_radius);}
137 {
return Ball(m_center.toParentCoords(coords), m_radius);}
139 {
return Ball(m_center.toParentCoords(coords), m_radius);}
147 {
return Ball(m_center.toLocalCoords(origin, rotation), m_radius);}
149 {
return Ball(m_center.toLocalCoords(coords), m_radius);}
151 {
return Ball(m_center.toLocalCoords(coords), m_radius);}
157 friend bool Intersect<dim>(
const Ball& b,
const Point<dim>& p,
bool proper);
158 friend bool Contains<dim>(
const Point<dim>& p,
const Ball& b,
bool proper);
160 friend bool Intersect<dim>(
const Ball& b,
const AxisBox<dim>& a,
bool proper);
161 friend bool Contains<dim>(
const Ball& b,
const AxisBox<dim>& a,
bool proper);
162 friend bool Contains<dim>(
const AxisBox<dim>& a,
const Ball& b,
bool proper);
164 friend bool Intersect<dim>(
const Ball& b1,
const Ball& b2,
bool proper);
165 friend bool Contains<dim>(
const Ball& outer,
const Ball& inner,
bool proper);
167 friend bool Intersect<dim>(
const Segment<dim>& s,
const Ball& b,
bool proper);
168 friend bool Contains<dim>(
const Segment<dim>& s,
const Ball& b,
bool proper);
170 friend bool Intersect<dim>(
const RotBox<dim>& r,
const Ball& b,
bool proper);
171 friend bool Contains<dim>(
const RotBox<dim>& r,
const Ball& b,
bool proper);
172 friend bool Contains<dim>(
const Ball& b,
const RotBox<dim>& r,
bool proper);
174 friend bool Intersect<dim>(
const Polygon<dim>& p,
const Ball& b,
bool proper);
175 friend bool Contains<dim>(
const Polygon<dim>& p,
const Ball& b,
bool proper);
176 friend bool Contains<dim>(
const Ball& b,
const Polygon<dim>& p,
bool proper);
187 return Equal(m_center, b.m_center, epsilon)
188 && Equal(m_radius, b.m_radius, epsilon);
193 #endif // WFMATH_BALL_H Generic library namespace.
A dim dimensional axis-aligned box.
void fromAtlas(const AtlasInType &a)
Set the box's value to that given by an Atlas object.
A dim dimensional rotation matrix. Technically, a member of the group O(dim).
double CoordType
Basic floating point type.
A dim dimensional box, lying at an arbitrary angle.
A polygon, all of whose points lie in a plane, embedded in dim dimensions.
Point< dim > & center()
get the center of the ball
Ball< dim > BoundingSphereSloppy(const container< Point< dim >, std::allocator< Point< dim > > > &c)
get a bounding sphere for a set of points
CoordType & radius()
get the radius of the ball
AtlasOutType toAtlas() const
Create an Atlas object from the box.
A dim dimensional vector.
CoordType radius() const
get the radius of the ball
Ball()
construct an uninitialized ball
const Point< dim > & center() const
get the center of the ball
A line segment embedded in dim dimensions.
Ball< dim > BoundingSphere(const container< Point< dim >, std::allocator< Point< dim > > > &c)
get the minimal bounding sphere for a set of points
Ball(const Point< dim > ¢er, CoordType radius)
construct a ball with the given center and radius